<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>使用js创建dom</title>
</head>
<body>

    <!-- 准备好一个容器 -->
    <div id="app"></div>
    <!-- 引入react核心库 -->
    <script type="text/javascript" src="../js/react.development.js"></script>
    <!-- 引入react-dom 用于支持 react 操作 dom -->
    <script type="text/javascript" src="../js/react-dom.development.js"></script>

    <script type="text/javascript">
        // 1. 创建虚拟dom
        // const VDOM = React.createElement(标签名，标签属性，标签内容)
        // const VDOM = React.createElement('h1', {id: 'user'}, '<span>我是𝒆𝒅.</span>')
        const VDOM = React.createElement('h1', {id: 'user'}, React.createElement('span', {id: 'user'}, '我是𝒆𝒅.'))
        // 2. 渲染虚拟dom到页面
        ReactDOM.render(VDOM, document.getElementById("app"))
    </script>

</body>
</html>